Crane globe valves are highly efficient for services requiring frequent operation and throttling when pressure drop across the valve is about 20% of inlet pressure.
当通过阀门的压降为管路压力的20%左右时，美国克雷恩截止阀就能够高效应用在频繁操作和节流的应用场合。
For compressible fluids, where pressure drop exceeds half the inlet pressure.
对于可压缩性流体，如果压降超过进口压力的一半。
Through the contrastive test on the pressure characteristic of inlet structure, the relation that the inlet structural dimension and operation parameter affect the pressure drop has been established.
通过对入口压力特性的对比试验，建立了入口结构尺寸及运行参数对压力损失的影响关系，为水力旋流器入口结构及参数的合理设计提供了依。
Turn off supply pressure and observe float drop to open air inlet.
关闭供应压力，观察浮子下降，因此开启。
The inlet pipe penetration into the vessel, the pressure drop across any block valves used. upstream of the venting device, and the inlet piping must be considered when determining these losses.
对与容器连通的进口管，要使用其通过阻断阀时的压力降。在确定这些压损时，必须要考虑进口管线和放空装置的上游线路。
The effects on solids holdup of heat exchanger tube, bed height, static pressure drop and average solids holdup of inlet chamber by superficial velocity were studied in different main distributors.
在不同结构形式的主分布器条件下，研究了表观液速对换热管中固含率、下管箱内床层高度、静压降及平均固含率的影响。
The model was used to analysis the effect on the drop diameter when the primary velocity of the air or the relative position between the air inlet and liquid inlet was changed.
分析气流速度、液孔与气孔的相对位置对雾化滴径的影响，模拟结果与实验结果基本一致。
Increases in the inlet flow rate or the particle concentration both increase the filter pressure drop.
此外，随来流流量和颗粒浓度的增加，过滤压降增加。
Sewage flows through coarse bar screen and into inlet pump station drop pit, then is lifted to fine bar screen by drowned pumps.
经过粗格栅污水汇入进水泵站集水坑中，再由潜水泵提升至细格栅进水管。
The results show that oscillation in pressure drop at inlet of the capillary and the vibration and rupture of the whole extrudate co…
整条毛细管上的挤出压力发生振荡，挤出物外观发生光滑段和粗糙段交替出现的有规畸变。
The results show that oscillation in pressure drop at inlet of the capillary and the vibration and rupture of the whole extrudate co…
整条毛细管上的挤出压力发生振荡，挤出物外观发生光滑段和粗糙段交替出现的有规畸变。
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